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Finding the Fourth Proportional to 548,022.40, 820,867.20 and 548,022.40

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Solution

The fourth proportional to 548,022.40, 820,867.20 and 548,022.40 is: 820,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,022.40 : 820,867.20 = 548,022.40 : x
  2. Step 2: Convert to fraction form
    548,022.40/820,867.20 = 548,022.40/x
  3. Step 3: Cross multiply
    548,022.40x = 820,867.20 × 548,022.40
  4. Step 4: Simplify right side
    548,022.40x = 449,853,613,025.28
  5. Step 5: Solve for x
    x = 449,853,613,025.28/548,022.40
  6. Step 6: Final answer
    x = 820,867.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.